InChI=1S/C25H24O9S/c1-13(2)11-18(26)21-22(28)20-17(14-5-7-15(8-6-14)34-35(29,30)31)12-19(27)32-23(20)16-9-10-25(3,4)33-24(16)21/h5-10,12-13,28H,11H2,1-4H3,(H,29,30,31)